How many years of comparable data are there for Portugal and Spain?

55 years are reported by both, from 1970 to 2024.

Where does this data come from?

Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Portugal vs Spain: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per

Portugal

0 Mt CO2e per US$ of GDP

in 2024

Spain

0 Mt CO2e per US$ of GDP

in 2024

Portugal rank

150th

Spain rank

149th

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per over time

Portugal
Spain

How they compare

Spain currently reports 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Portugal, a difference of 0 Mt CO2e per US$ of GDP.

That makes Spain's figure about 1.1 times Portugal's.

The two have swapped places 12 times across 55 shared years of data; in 1970 it was Spain ahead.

Portugal ranks 150th and Spain ranks 149th of 191 countries.

Across the 6 decades both report, Portugal averaged higher in 3 and Spain in 3.

Head to head by decade

Decade	Portugal	Spain	Difference	Ahead
1970s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Spain
1980s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
1990s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
2000s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Spain
2010s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Portugal
2020s	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	0 Mt CO2e per US$ of GDP	Spain

Averages of every year both report within each decade.

Frequently asked questions

Which has higher nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per, Portugal or Spain?: Spain, at 0 Mt CO2e per US$ of GDP against 0 Mt CO2e per US$ of GDP in Portugal as of 2024.
What is the difference in nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per between Portugal and Spain?: 0 Mt CO2e per US$ of GDP, with Spain ahead.
How many years of comparable data are there for Portugal and Spain?: 55 years are reported by both, from 1970 to 2024.
How do Portugal and Spain rank globally for nitrous oxide (n2o) emissions from transport (energy) (mt co2e), per?: Portugal ranks 150th and Spain ranks 149th of 191 countries.
Where does this data come from?: Statizoid (derived), published as Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Portugal vs Spain: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/portugal/spain/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://environment.statizoid.com/compare/nitrous-oxide-n2o-emissions-from-transport-energy-mt-co2e-per-unit-of-gdp/portugal/spain/">Portugal vs Spain: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per</a> — Statizoid

About this data

Indicator: Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e), per unit of GDP
Unit: Mt CO2e per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 238 places, 12,139 data points, 1970–2024
Last refreshed: 18 September 2026

Nitrous oxide (N2O) emissions from Transport (Energy) (Mt CO2e) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.